Personal finance columnist David Slade gave the Flipp app a test-drive to see if it helps cut grocery bills as promised. He found it time-consuming and imperfect, but the free tool could help ...

This collaboration has enabled CPG brands to reach in-market, head-of-household shoppers through advertisements on the Flipp app's home screen and flyer screens.

This collaboration has enabled CPG brands to reach in-market, head-of-household shoppers through advertisements on the Flipp app's home screen and flyer screens.